Explosive compound



E-L'VE-iiLABLE COPY A'iplication filed September 1!, 1855.

To all wfwmv it I my concern:

Be. it .mo' vnl "i /'l'i'iiinn V HEY, s citizen oi W l, Eietes, residingat Toms River, in she eoiinty of icons and State of New eiie'rsey stedcert-sin new end useful Improvementsin iilxplosive Compounds; and i dohereby the following is a. full, clear, and exactdesoription oi'ilieinveiition, which will enable oti'iere skilled in the ertto which itsppertsins to make and use the same.

The main feature of my invention eonsists in the use of 2% gelatinousmass obtained by dissolving nitrostereii in nitro-glyeerine. The nitrostareh I preparein the following manner: Starch is pulverized and dried,and then gradually stirred into a mixture of strong nisric and sulphuricacids, which is kept cool during" ehe operation. Nitro starch separatesin granulated masseswhicli are removed from the acid, well ses ed, so asto remove all traces of adhering acid, dried, and pulverized. Thenitro-starch thus prepared is gradually dissolved in nitro-glyeerine,which is kept at a temperatu'reof35 eeniiigredeend, according to thequantities nsedjoi' eaeh, geletinous substances of diii'erenl; degreesof consistence can be obtained. This is an important feature in themanufacture 0i highexplosive blasting=powdoses-by means of she greatdissolving power of-nitro-glyoerine for the nitro-staroh prepared in theabove manner an almost solid nitroglyeerineooinjoonndean he produced,whereby Serial No. 176 935.

No. 368 2181, dated July 12,1887.

(TIu specimens.)

any leaking orsepsrsiingof the iii'tio-glycerine from the otheringredients may be made her possible, so it is not contained. therein inU, free or liquid state. it is now only necesse'ry to incorporate enoughof ilfl oxidnnt--sueh as nitrates-end ,-.hlorntes-into the gelatinoussol} Sfiilllfifiilfi procure a perfeot combustion in the explosion ofthe compound. This will depend span the eonstil'uentperis etheirreleeive proportion oi the gelstinons mass. As 2% general exmnple, igive the following proportions for a good hlnsting-poivdei': Thirty-fivepounds of niirostnreh itl'fldiSSOlVfid in sixty iive pounds of nitroglycerine, and in this solntion are incorporated forty pounds of sodiumnitrate.

Patents have been granted to Alfred Nobel, Curl Dittnier, and others forexplosive compounds containing gun-cotton, xyloidine and othersubstsnees. I-do not claim these as my invention, or any part thereoi.

Having described my invention, what I diesire to claim, and secure byLetters Patent, is-- 1. The explosive 'oompound consistingofnitro-steieh dissolved. in niti'o-glyeerine and oxidens as oliloratesend nitrates.

2. As a new article of insnufseture, the solotion of intro-starch innitro-glyoerino.

CARL WVALTER "VULNEY.

Witnesses:

HENRY STANSFIETJ), U11 As. W; lo'r'ilsn.

lie

